The Hammer.js support above IE(Internet Explorer)9 so It does not use on IE8. This utility is compatible library for hammer.js on IE8(standard mode).
JUST ADD FILE ABOVE HAMMER.JS.
<!--[if IE 8]>
<script type="text/javascript" src="https://github.com/naver/hammerjs-compatible/raw/master/./dist/hammerjs.compatible.js"></script> <- like this.
<![endif]-->
<script src="https://github.com/naver/hammerjs-compatible/raw/master/./node_modules/hammerjs-compatible/dist/hammerjs.compatible.js"></script>
You can download following link.
https://github.com/naver/hammerjs-compatible/tree/master/dist
npm install hammerjs-compatible
npm install
grunt